Nissan Primera P12. Instruction — part 422

EM-34

[YD]

GLOW PLUG

GLOW PLUG

PFP:22401

Removal and Installation

EBS00SNQ

REMOVAL

CAUTION:

Remove glow plug only if necessary. If carbon adheres, it may be stuck and broken.

1.

Disconnect harness connector from glow plate.

2.

Remove glow nut to remove glow plate.

3.

Remove glow plug.

CAUTION:

●

When removing or installing, do not use such tools as an air impact wrench.

●

Handle it carefully without giving any impact, even after removal. [As a guide, if it drops from
height of 10 cm (3.94 in) or higher, always replace it.]

INSTALLATION

1.

Remove adhered carbon from glow plug installation hole with a reamer.

2.

Install glow plug.

3.

Install remaining parts in reverse order of removal.

SBIA0165E

1.

Glow plate

2.

Glow harness

3.

Glow nut

4.

Cap

5.

Glow plug

VACUUM PUMP

EM-35

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VACUUM PUMP

PFP:41920

Removal and Installation

EBS00SNR

INSPECTION BEFORE REMOVAL

1.

Disconnect vacuum hose, and connect a vacuum gauge via 3-way connector.

●

Disconnect point where vacuum from vacuum pump can be measured directly and install 3-way con-
nector.

2.

Start engine and measure generated vacuum at idle speed.

●

If out of standard, check for air suction in vacuum route, and measure again.

●

If still outside of standard, replace vacuum pump.

REMOVAL

1.

Drain engine coolant. Refer to

CO-8, "Changing Engine Coolant"

.

2.

Remove engine cover. Refer to

EM-52, "Removal and Installation"

.

3.

Remove air duct and air cleaner case. Refer to

EM-15, "Removal and Installation"

.

4.

Disconnect harness connector from fuel injector.

5.

Remove injection tube. Refer to

EM-39, "INJECTION TUBE AND FUEL INJECTOR"

.

6.

Remove fuel injector oil seal.

7.

Remove rocker cover. Refer to

EM-52, "Removal and Installation"

.

8.

Remove air inlet pipes. Refer to

EM-23, "Removal and Installation"

.

9.

Remove exhaust manifold cover.

10. Disconnect electronic EGR volume control valve water hose and harness.

11. Disconnect heater hose.

12. Remove EGR tube.
13. Disconnect vacuum hose from vacuum pump side.

MBIA0046E

Standard

: – 86.6 to – 101.3 kPa (– 866 to – 1,013 mbar, – 650 to – 760 mmHg, – 25.59 to –
29.92 inHg)

EM-36

[YD]

VACUUM PUMP

14. Remove camshaft position sensor.

15. Remove cylinder head rear cover plate.

16. Loosen and remove the installation bolts in rear cam sprocket.

●

Loosen rear cam sprocket installation bolts by fixing the hexagonal portion of the camshaft.

17. Remove vacuum pump and cylinder head rear cover assembly.

●

Remove and install vacuum pump, sprocket, drive chain and
chain guide as an assembly.

●

Loosen mounting bolts in reverse order shown in figure.

●

Do not remove any bolts not shown in figure. (Especially
never remove M6 bolts on vacuum pump.)

●

Use seal cutter (special service tool) or other suitable tool to
remove.

INSTALLATION

1.

Install vacuum pump and cylinder head rear cover assembly
onto cylinder head. Refer to

EM-35, "Removal and Installation"

.

●

Camshaft sprocket and camshaft need mating angle when
installing to cylinder head.

●

Apply Genuine Liquid Gasket or equivalent (Refer to

EM-6,

"Precautions for Liquid Gasket"

.) to area shown in the figure.

●

Attaching should be done with in 5 minutes after coating.

2.

Tighten mounting bolts in order shown in the figure.

3.

Install rear cam sprocket mounting bolts by fixing the hexagonal
portion of the camshaft.

4.

Tighten rear cam sprocket mounting bolts.

●

Check if the chain tension is excessive.

5.

Install cylinder head rear cover plate.

●

Apply Genuine Liquid Gasket or equivalent (Refer to

EM-6,

"Precautions for Liquid Gasket"

.) to area shown in the figure.

●

Attaching should be done with in 5 minutes after coating.

CAUTION:

Never start engine with vacuum circuit being open. If
engine is started and vehicle is running while vacuum
pump is open (with vacuum hose disconnected), PCV flow
rate will increase and engine may be damaged.

6.

Install in reverse order of removal after this step.

●

When vacuum hose is connected, insert it securely by at least
15 mm (0.59 in).

INSPECTION AFTER INSTALLATION

Check generated vacuum satisfies the specification at idle speed. Refer to

EM-35, "Removal and Installation"

.

SBIA0167E

SBIA0167E

SBIA0169E

VACUUM PUMP

EM-37

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Disassembly and Assembly

EBS00SNS

DISASSEMBLY

1.

Push on chain guide lightly so that clearance between chain and chain guide part reaches 0 mm (0 in).
Then loosen chain guide mounting bolts.

2.

Remove chain from rear cam sprocket and vacuum pump sprocket.

3.

Remove rear cam sprocket.

4.

Remove vacuum pump.

CAUTION:

Do not disassemble vacuum pump.

ASSEMBLY

Follow procedure below to install each part onto cylinder head rear
cover.

1.

Install vacuum pump.

2.

Temporarily fit chain guide.

MBIA0033E

1.

Rear cam sprocket

2.

Drive chain

3.

Chain guide

4.

Cylinder head rear cover

5.

Vacuum pump

SBIA0171E